I’m a sucker for the headcanon that touching sparks is the most intimate thing two bots can do, but I’m especially a sucker for that being exploited. Holding someone’s chestplates open so that someone can spit on their spark, grind their spike or valve against it, maybe play with the corona to make them squeal. A Cybertronian’s spark is their heart and soul, but also a cumdump.
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